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authorWaldemar Brodkorb <wbx@openadk.org>2014-09-20 20:09:00 (GMT)
committerWaldemar Brodkorb <wbx@openadk.org>2014-09-20 20:09:00 (GMT)
commita22a0030f32b828c0f2e804d1ed1fe567ddab680 (patch)
treeb02e9e000d6514b0f929610c770b3d5d86d12742 /libpthread/nptl/sysdeps/unix/sysv/linux/sh
parent83c3ccb1896108c68502ec30193513e586022b5f (diff)
nptl: remove duplicate vfork() in libpthread
Automatic patching via two oneliners by Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>: sed -i -e 's/[[:space:]]pt-vfork\.[csS]//' -e '/^ASFLAGS-pt-vfork\./d' $(git grep -l pt-vfork libpthread/nptl/sysdeps) find libpthread/nptl -name "*pt-vfork*" -exec git rm {} \; Reported-By: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Tested-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
Diffstat (limited to 'libpthread/nptl/sysdeps/unix/sysv/linux/sh')
-rw-r--r--libpthread/nptl/sysdeps/unix/sysv/linux/sh/Makefile.arch2
-rw-r--r--libpthread/nptl/sysdeps/unix/sysv/linux/sh/pt-vfork.S64
2 files changed, 1 insertions, 65 deletions
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/Makefile.arch b/libpthread/nptl/sysdeps/unix/sysv/linux/sh/Makefile.arch
index 154dd6e..908d9e1 100644
--- a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/Makefile.arch
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/sh/Makefile.arch
@@ -5,7 +5,7 @@
# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
#
-libpthread_linux_arch_SSRC = pt-vfork.S pthread_once.S pthread_rwlock_wrlock.S \
+libpthread_linux_arch_SSRC = pthread_once.S pthread_rwlock_wrlock.S \
pthread_rwlock_rdlock.S pthread_rwlock_unlock.S \
lowlevellock.S lowlevelrobustlock.S pthread_barrier_wait.S \
pthread_cond_broadcast.S pthread_cond_signal.S \
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/pt-vfork.S b/libpthread/nptl/sysdeps/unix/sysv/linux/sh/pt-vfork.S
deleted file mode 100644
index 56aa6d0..0000000
--- a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/pt-vfork.S
+++ /dev/null
@@ -1,64 +0,0 @@
-/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>. */
-
-#include <sysdep.h>
-#define _ERRNO_H 1
-#include <bits/errno.h>
-#include <tcb-offsets.h>
-
-/* Clone the calling process, but without copying the whole address space.
- The calling process is suspended until the new process exits or is
- replaced by a call to `execve'. Return -1 for errors, 0 to the new process,
- and the process ID of the new process to the old process. */
-
-ENTRY (__vfork)
- /* Save the PID value. */
- stc gbr, r2
- mov.w .L2, r0
- mov.l @(r0,r2), r4
- neg r4, r1
- mov.l r1, @(r0,r2)
-
- mov.w .L1, r3
- trapa #0x10
- mov r0, r1
-
- /* Restore the old PID value in the parent. */
- tst r0, r0
- bt/s 2f
- stc gbr, r2
- mov.w .L2, r0
- mov.l r4, @(r0,r2)
- mov r1, r0
-2:
- mov #-12, r2
- shad r2, r1
- not r1, r1 // r1=0 means r0 = -1 to -4095
- tst r1, r1 // i.e. error in linux
- bf .Lpseudo_end
- SYSCALL_ERROR_HANDLER
-.Lpseudo_end:
- rts
- nop
-.L1:
- .word __NR_vfork
-.L2:
- .word PID - TLS_PRE_TCB_SIZE
-
-PSEUDO_END (__vfork)
-
-weak_alias (__vfork, vfork)